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@ ProgramNode (location: (1,6)-(4,17))
├── locals: [:string]
└── statements:
@ StatementsNode (location: (1,6)-(4,17))
└── body: (length: 2)
├── @ LocalVariableWriteNode (location: (1,6)-(1,22))
│ ├── name: :string
│ ├── depth: 0
│ ├── name_loc: (1,6)-(1,12) = "string"
│ ├── value:
│ │ @ StringNode (location: (1,15)-(1,22))
│ │ ├── flags: ∅
│ │ ├── opening_loc: (1,15)-(1,22) = "<<-\"^D\""
│ │ ├── content_loc: (2,0)-(3,0) = " very long string\n"
│ │ ├── closing_loc: (3,0)-(4,0) = " ^D\n"
│ │ └── unescaped: " very long string\n"
│ └── operator_loc: (1,13)-(1,14) = "="
└── @ CallNode (location: (4,6)-(4,17))
├── flags: ignore_visibility
├── receiver: ∅
├── call_operator_loc: ∅
├── name: :puts
├── message_loc: (4,6)-(4,10) = "puts"
├── opening_loc: ∅
├── arguments:
│ @ ArgumentsNode (location: (4,11)-(4,17))
│ ├── flags: ∅
│ └── arguments: (length: 1)
│ └── @ LocalVariableReadNode (location: (4,11)-(4,17))
│ ├── name: :string
│ └── depth: 0
├── closing_loc: ∅
└── block: ∅
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